.bookcontentbox{
    position: fixed;
    left: 100%;
    top: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--artback-color);
    overflow-y: scroll;
    z-index: 41;
    &.show{
        left: 0;
    }
    .bigflexbox{
        overflow-x: hidden;
        display: flex;
        .dragbox{
            display: flex;
            .realcontent{
                padding: 16px;
                columns: calc(100vw - 32px) 1;
                column-gap: 16px;
                height: 100vh;
                font-size: 18px;
                line-height: 3;
                color: var(--font-color);
            }
        }
    }
}